diff --git a/danio_gcc.sh b/danio_gcc.sh
index a8ca3ed..af7f942 100644
--- a/danio_gcc.sh
+++ b/danio_gcc.sh
@@ -5,6 +5,7 @@ export OUT="`pwd`/out"
 
 #### JEŚLI BĘDĄ NOWE WERSJE BINUTILS'A i GCC PROSZĘ ZMIENIĆ NUMER!!!
 export binutils_version="2.31"	#TU ZMIENIAMY!
+export newlib_version="3.0.0"	#TU ZMIENIAMY!
 export version="LATEST-9" 	#TU ZMIENIAMY!
 export nproc=$(( `grep -c "processor" /proc/cpuinfo` * 2 ))
 export binutils_ext="tar.xz"	#TU POD ŻADNYM POZOREM NIE ZMIENIAJ TYPU!!!!!
@@ -17,24 +18,21 @@ if ! command -v lftp >/dev/null; then
 fi
 
 if [ "${REMOVE}" == "1" ]; then
-	rm -rf binutils-* build-* ${version} gcc-* */* zen-kernel-*
+	rm -rf binutils-* build-* ${gcc_version} gcc-* */* newlib-*
 fi
 
 (
 	if [ ! -e binutils-${binutils_version}${binutils_ext} ]; then
-		wget -c http://ftp.gnu.org/gnu/binutils/binutils-${binutils_version}.${binutils_ext}
+		wget -c "http://ftp.gnu.org/gnu/binutils/binutils-${binutils_version}.${binutils_ext}"
 	fi
 	if [ ! -d binutils-${binutils_version} ]; then
 		tar -xf binutils-*.*
 	fi
 )	|| exit 1
 
-mkdir -pv build-binutils
-cd build-binutils
-../binutils-*/configure --target="${TARGET}" --prefix="${PREFIX}" --disable-nls --disable-werror --with-sysroot="${PREFIX}" --enable-obsolete
-cd ..
-
 if ! (
+	mkdir -pv build-binutils
+	(cd build-binutils; ../binutils-*/configure --target="${TARGET}" --prefix="${PREFIX}" --disable-nls --disable-werror --enable-obsolete)
 	make -C build-binutils -j${nproc}
 	make -C build-binutils -j${nproc} install
 )
@@ -44,21 +42,26 @@ fi
 
 (
 	if [ ! -e */gcc-*.* ]; then
-		lftp -c "open ftp://ftp.fu-berlin.de/unix/languages/gcc/snapshots ; mirror ${version}"
+		lftp -c "open ftp://ftp.fu-berlin.de/unix/languages/gcc/snapshots ; mirror ${gcc_version}"
 	fi
 	if [ ! -d gcc-* ]; then
 		tar -xf */gcc-*.*
 	fi
 )	|| exit 1
 
-(cd gcc-*; contrib/download_prerequisites)
-
-mkdir -pv build-gcc
+(
+	if [ ! -e newlib-*.tar.gz ]; then
+		wget -c "ftp://sources.redhat.com/pub/newlib/newlib-${newlib_version}.tar.gz"
+	fi
+	if [ ! -d newlib-* ]; then
+		tar -xf newlib-*.tar.gz
+	fi
+)	|| exit 1
 
 if ! (
-	cd build-gcc
-	../gcc-*/configure --target=${TARGET} --prefix=${PREFIX} --disable-lto --disable-nls --disable-werror --enable-languages=all --enable-multilib --enable-multiarch --with-pkgversion="*DANiO* T00LCHAIN" --with-system-zlib --enable-obsolete --with-sysroot="${PREFIX}"
-	cd ..
+	(cd gcc-*; contrib/download_prerequisites)
+	mkdir -pv build-gcc
+	(cd build-gcc; ../gcc-*/configure --target="${TARGET}" --prefix="${PREFIX}" --disable-lto --disable-nls --disable-werror --enable-languages=all --enable-multilib --enable-multiarch --with-pkgversion="*DANiO* T00LCHAIN" --with-system-zlib --enable-obsolete --with-newlib --with-headers="../newlib-*/newlib/libc/include")
 )
 then
 	exit 1
@@ -72,15 +75,20 @@ maybe_try_this()
 	make -C build-gcc install-target-libgcc -j${nproc} || return 1
 }
 
-if (
-	if [ ! -d zen-kernel-testing ]; then
-		wget -c http://github.com/zen-kernel/zen-kernel/archive/testing.tar.gz -O - | tar -xzvf -
-	fi
-	mkdir -pv "${PREFIX}/usr"
-	make -C zen-kernel-testing headers_install ARCH=`echo ${TARGET} | cut -f1 -d"-" | sed -e s/i.86/x86/ -e s/x86_64/x86/ -e s/sun4u/sparc64/ -e s/arm.*/arm/ -e s/sa110/arm/ -e s/s390x/s390/ -e s/parisc64/parisc/ -e s/ppc.*/powerpc/ -e s/mips.*/mips/ -e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ -e s/riscv.*/riscv/` INSTALL_HDR_PATH="${PREFIX}/usr"
+if ! (
 	make -C build-gcc -j${nproc} || maybe_try_this
 	make -C build-gcc install -j${nproc} || maybe_try_this
 )
+then
+	exit 1
+fi
+
+if (
+	mkdir -pv build-newlib
+	(cd build-newlib; ../newlib-*/configure --target="${TARGET}" --prefix="${PREFIX}")
+	make -C build-newlib -j${nproc}
+	make -C build-newlib -j${nproc} install
+)
 then
 	find ${PREFIX} | xargs file | grep "ELF" | grep "executable" | cut -f 1 -d ":" | xargs strip -S 2>/dev/null
 	mkdir -pv out